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Which option best applies extension for Stretching and deformation in AQA GCSE Physics Forces?.
- A.The point beyond which extension is no longer proportional to force — calculation focus for extension
- B.This confuses elastic and plastic deformation and does not answer Stretching and deformation.
- C.This is too vague because it does not use the force or motion quantity named in the objective.
- D.This reverses the physical cause and effect for Forces and elasticity.
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